
 The Gyrotonic Expansion System is composed of the Gyrokinesis and Gyrotonic exercise methods. The Gyrokinesis Method, originally called `Yoga for Dancers,” is practiced on a mat & chair, and the Gyrotonic Method uses specialized equipment that permits one to move with support and resistance. Gyrotonic and Gyrokinesis exercise sequences are int.....
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http://en.wikipedia.org/wiki/Gyrotonic

A system designed to exercise the musculature while mobilizing and articulating the joints. Gyrotoni
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http://www.encyclo.co.uk/local/22417
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